NumberResearch Membership · Data 09/26/2026

Recent thousands-block assignments

295 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/26/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days
NEW CINGULAR WIRELESS PCS, LLC - IL 295
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2016-04-01 586-251-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 UTICA MI
2016-04-01 737-999-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BUDA TX
2016-04-01 737-999-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BUDA TX
2016-03-31 314-756-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAPPINGTON MO
2016-03-31 314-985-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CREVECOEUR MO
2016-03-31 317-556-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-556-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-794-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-794-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 317-794-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 INDIANAPLS IN
2016-03-31 402-302-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORFOLK NE
2016-03-31 402-302-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORFOLK NE
2016-03-31 417-308-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AURORA MO
2016-03-31 417-308-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AURORA MO
2016-03-31 660-234-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKSVILLE MO
2016-03-30 319-320-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CEDAR RPDS IA
2016-03-30 515-686-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AMES IA
2016-03-30 580-495-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ADA OK
2016-03-30 580-495-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ADA OK
2016-03-30 580-495-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ADA OK
2016-03-29 231-613-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SCOTTVILLE MI
2016-03-29 501-424-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CABOT AR
2016-03-29 501-424-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CABOT AR
2016-03-29 501-424-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CABOT AR
2016-03-29 580-330-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WEATHERFD OK
2016-03-29 701-781-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FARGO ND
2016-03-28 814-428-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 OIL CITY PA
2016-03-28 814-792-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOHNSTOWN PA
2016-03-28 814-812-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ERIE PA
2016-03-28 878-645-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GREENSBURG PA
2016-03-25 224-904-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2016-03-25 224-904-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NORTHBROOK IL
2016-03-25 234-900-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AKRON OH
2016-03-25 440-493-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VICTORY OH
2016-03-25 440-732-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STRONGSVL OH
2016-03-25 567-806-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 TOLEDO OH
2016-03-25 618-852-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWTON IL
2016-03-25 660-214-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHILLICOTH MO
2016-03-25 740-241-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BYESVILLE OH
2016-03-25 740-602-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DELAWARE OH
2016-03-25 740-604-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LONDON OH
2016-03-25 937-621-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GREENVILLE OH
2016-03-25 937-971-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 XENIA OH
2016-03-24 330-676-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KENT OH
2016-03-24 618-754-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DUNDAS IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.